Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
GW2100
Latitude
44.07000 N
Longitude
103.21000 W
Elevation
3,345 ft
Rank
-
Air temperature
70F
Relative humidity
44%
Pressure
30.27inHg
Wind
7mph
Gust
17mph
Wind direction
153°
Precipitation this hour
0in
Precipitation today
0in

On the radar over Citizen station GW2100ReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

In a volunteer observer's own ground

Drawn as the kind of place it stands at. 951 instruments in South Dakota stand at one.

Station charts

Citizen station GW2100 Report

Rank
-
Time to reach Storm Station
5 s9 in 10 within 30 s
Against its reference, 30 days
+2.5 °Fwarmer than the airport station KRCA, 7.4 miles away, on average over 8 readings; typical difference 2.8 °F; also compared with 1 other reference station

Against its reference: each temperature this station reports is compared with the nearest airport or climate reference station that reported within half an hour, up to 15 miles away. The figure is its reading less the reference's, on average, as both were reported; the typical difference is the root mean square. The difference in height is shown where both heights are known.

Chart of the 792 ranked stations in South Dakota on Oct 4 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 0; 10 to 19 per cent, 0; 20 to 29 per cent, 0; 30 to 39 per cent, 46; 40 to 49 per cent, 9; 50 to 59 per cent, 10; 60 to 69 per cent, 63; 70 to 79 per cent, 27; 80 to 89 per cent, 97; 90 to 99 per cent, 249; 100 per cent, 291.WHERE IT RANKS IN SOUTH DAKOTA, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 910 to 1920 to 2930 to 394640 to 49950 to 591060 to 696370 to 792780 to 899790 to 99249100291STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%291
90 to 99%249
80 to 89%97
70 to 79%27
60 to 69%63
50 to 59%10
40 to 49%9
30 to 39%46
20 to 29%0
10 to 19%0
0 to 9%0

Station report

Citizen station GW2100, in 4 sheets

Drawn from its report of undefined, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The wind

Contents

From the south southeast (153 degrees) at 7 mph, gusting 17 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Citizen station GW2100, north up: blowing from 153 degrees, the south southeast, at 7 miles an hour, gusting 17; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW2100FIG. C THE WIND AT CITIZEN STATION GW2100PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 153°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE13GUST, 17 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station GW2100, the windSTATION REPORT · CWOP GW2100TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-04IDSR-GW2100-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 3,345 ft above sea level, 12 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.48 inHg and the temperature at 47.1 F; the station's altimeter setting of 30.27 inHg means its barometer reads 26.79 inHg; it reports 70.0 F, 22.9 F warmer than standard.

Section from sea level of where Citizen station GW2100 stands in the atmosphere, height to scale: the station 3,345 feet above sea level with 12 per cent of the air below it; the standard atmosphere's pressure there, 26.48 inches of mercury, and temperature, 47.1 degrees Fahrenheit; the altimeter setting of 30.27 and the station pressure it means, 26.79.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW2100FIG. D WHERE CITIZEN STATION GW2100 STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERECITIZEN STATION GW210012 PER CENT OF THE AIR BELOW IT3,345 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE26.48 inHgSTANDARD TEMPERATURE HERE47.1 FALTIMETER SETTING, REPORTED30.27 inHgITS BAROMETER READS26.79 inHgTEMPERATURE, REPORTED70.0 FTITLECitizen station GW2100, the columnSTATION REPORT · CWOP GW2100TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-04IDSR-GW2100-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

3The sun

Contents

On Oct 4 the noon sun stands 41 degrees above the horizon at 44.07 N, and the day is 11 h 24 min long. Level ground there takes 66 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station GW2100, angles true: on Oct 4 it stands 41 degrees above the horizon, against 69 at the June solstice, 46 at the equinoxes and 22 at the December solstice; the day is 11 h 24 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW2100FIG. E THE SUN AT CITIZEN STATION GW2100ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 69°EQUINOXES 46°DECEMBER SOLSTICE 22°OCT 4, 41°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 24 MINLEVEL GROUND TAKES 66 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 44.07 N; THE SUN'S DECLINATION -4.6°TITLECitizen station GW2100, the sunSTATION REPORT · CWOP GW2100TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-04IDSR-GW2100-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 3,345 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station GW2100, each sensor drawn and labelled with what it read: air temperature, 70.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW2100FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE70.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station GW2100, the instrumentSTATION REPORT · CWOP GW2100TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-04IDSR-GW2100-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

What this instrument measures for

1 place reads it as one of the nearest to it.

Near Citizen station GW2100

Gauges

Weather instruments

Places